Chordates have a backbone...humans, bony fish, snakes, birds, frogs, all mammals.
Answer:
a) he wanted to be near where the trials were occurring
Explanation:
hope it helps .
Because the membrane is made of lipids, typically fat-soluble (non-polar) molecules are able to pass easily. In addition, smaller, uncharged polar molecules can also pass through. Use the attached diagram to help you understand.
The answer is chromosomes